Bearing name: NTN 7921 bearing
Brand model: 7921
Email: [email protected]
Please email or call us for your inquiry
Angular contact ball bearings 7921Bearing number : 7921 Size (mm) : 105x145x20 Brand : NTN Bore Diameter (mm) : 105 Outer Diameter (mm) : 145 Width (mm) : 20 Bearing dimensions and specification in NTN catalogue:d - 105 mm D - 145 mm B - 20 mm C - 20 mm Angle (α) - 25 ° a - 46 mm r min. - 1,1 mm r1 min. - 0,6 mm da min. - 112 mm db min - 112 mm ra max. - 1 mm Weight - 0,972 Kg Basic dynamic load rating (C) - 48,5 kN Basic static load rating (C0) - 54,5 kN (Grease) Lubrication Speed - 4 400 r/min (Oil) Lubrication Speed - 5 900 r/min ![]() |
Online Message |
NTN 7921 bearing Company information
NTN 7921 bearing are widely used in industrial drive, agriculture, compressors, motors and generators, construction, industrial fan, industrial transmission and other fields. NTN 7921 bearing can ensure high quality for more than 80% raw material of NTN 7921 bearing provided by the steel plant.Explorer series bearing of NTN 7921 bearing are better than any brand bearings currently in bearing performance , lifetime, design, and the use of performance. Explorer series bearings of NTN 7921 bearing have more advantages ,such as higher meet rated , lower noise, reducing warranty costs greatly, increasing running time of the machine .